Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

optic

adjective [before noun]
 
 
/ˈɒp.tɪk/ US  /ˈɑːp-/ specialized

Definition

relating to light or the eyes: a fibre optic cableEyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasersRelating to particular parts of the body
(Definition of optic adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“optic” in other dictionaries

Word of the Day

come rain or shine

whatever happens

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More